The load/store API eases code review.
Signed-off-by: Stephen Checkoway <[email protected]>
Message-Id: <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Tested-by: Philippe Mathieu-Daudé <[email protected]>
[PMD: Extracted from bigger patch]
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
---
hw/block/pflash_cfi02.c | 26 ++++++--------------------
1 file changed, 6 insertions(+), 20 deletions(-)
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index 69e0086324e..2777167af11 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -196,34 +196,20 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr
offset,
case 0x00:
flash_read:
/* Flash area read */
- p = pfl->storage;
+ p = (uint8_t *)pfl->storage + offset;
+ if (pfl->be) {
+ ret = ldn_be_p(p, width);
+ } else {
+ ret = ldn_le_p(p, width);
+ }
switch (width) {
case 1:
- ret = p[offset];
trace_pflash_data_read8(offset, ret);
break;
case 2:
- if (be) {
- ret = p[offset] << 8;
- ret |= p[offset + 1];
- } else {
- ret = p[offset];
- ret |= p[offset + 1] << 8;
- }
trace_pflash_data_read16(offset, ret);
break;
case 4:
- if (be) {
- ret = p[offset] << 24;
- ret |= p[offset + 1] << 16;
- ret |= p[offset + 2] << 8;
- ret |= p[offset + 3];
- } else {
- ret = p[offset];
- ret |= p[offset + 1] << 8;
- ret |= p[offset + 2] << 16;
- ret |= p[offset + 3] << 24;
- }
trace_pflash_data_read32(offset, ret);
break;
}
--
2.20.1